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- a) JPanelin oletuslayout on Flow, jolloin tulostuu kaikki peräkkäin ruudun ylänurkkaan keskelle. Esimerkiksi:
- import java.awt.*;
- import javax.swing.*;
- public class Tehtava6a extends JFrame {
- public Tehtava6a() {
- JPanel paneeli = new JPanel();
- paneeli.add(new JButton("nappi"));
- paneeli.add(new JButton("toinen nappi"));
- paneeli.add(new JTextField("Tämmönen"));
- add(paneeli);
- }
- public static void main(String[] args) {
- Tehtava6a frame = new Tehtava6a();
- frame.setTitle("6a");
- frame.setSize(400,300);
- frame.setLocationRelativeTo(null);
- frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- frame.setVisible(true);
- }
- }
- b)
- import javax.swing.*;
- public class Tehtava6b extends JFrame {
- public Tehtava6b() {
- String title="Title paneelista";
- JPanel panel = new JPanel();
- setTitle(title);
- panel.add(new JButton("Nappula"));
- panel.add(new JTextField("lalalala"));
- add(panel);
- }
- public static void main(String[] args) {
- Tehtava6b frame = new Tehtava6b();
- frame.setSize(500,300);
- frame.setLocationRelativeTo(null);
- frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- frame.setVisible(true);
- }
- }
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